https://news.xbox.com/2017/05/19/4k-streaming-amazon-video-app-xbox/Starting today, Amazon Video fans can now watch their favorite shows and movies in stunning 4K UHD on their Xbox One S with the latest Amazon Video app update. Already have the Amazon Video app? Simply launch the app to get the update. Dont have Amazon Video? Head to the Xbox App Store, download the app and sign up for your 30-Day free trial now. Then sit back and watch Amazon originals such as Bosch, Sneaky Pete, The Grand Tour, and Man in the High Castle and more all in stunning 4K.